Cordierite Glass Ceramics

1 the ε r of this material is the lowest among the silicates as shown in table 1.
Cordierite glass ceramics. Select up to 4 products. The authors presented indialite cordierite glass ceramics which has high qf values of 200 000 ghz low dielectric constant ε r of 4 7 and tcf of 27 ppm c as shown in fig. The nanocrystalline cordierite glass ceramics were sintered at various temperatures at 1200 1250 and 1300 c. Yuan jang sue san yuan chen hong yang lu pouyan shen surface nucleation and cellular growth kinetics of cordierite glass ceramics containing 3 mol y2o3 zro2 journal of materials science 10 1007 bf00544685 26 6 1699 1704 1991.
Cordierite continues to provide avenues for innovation in emissions control contributing to cleaner cars and a healthier planet. Cordierite glass ceramics based on the hexagonal form of cordierite are strong have excellent dielectric properties good thermal stability and thermal shock resistance. The commercial composition given in table 5 is the standard glass ceramic used for missile nose cones. Glass ceramics in the mgo al 2 o 3 sio 2 system found one of the earliest applications for a glass ceramic as a radome or missile nose cone.
The glass ceramic may be cast as a liquid. Advanced search structure search. The cordierite glass ceramic has good oxidation resistance and fracture toughness and coefficient of thermal expansion rivaling that of silicon nitride. 121 matches found for cordierite glass ceramics.
An internally nucleated toughened cordierite glass ceramic is disclosed. It is a multi phase. 1 a shows amount of indialite which were analyzed by the rietveld method calculated by two phases such as indialite and. The conventional one step system is currently used in the pu foam fabrication.
1 product result. Annealing produces a material of high crystallinity combining high hardness high young s modulus good thermal stability. Cordierite glass ceramics compare products. Cordierite ceramic is a type of magnesium aluminum silicate with particularly good thermal shock properties.
Goodfellow ceramic and glass division is able to supply a wide range of ceramic and glass materials as finished. Please select more than one item to compare. Cordierite also has low thermal conductivity and thermal expansion while also being cost effective. Preparation of blank pu.
Flexibility matters for both glass and ceramics new innovations are bending the rules of what s possible with flexible materials. Tungsten point lab pen for etching glass ceramic and plastic. The finest grain size of nanocrystalline cordierite was chosen for adding to the pu matrix.